Music game maestros Harmonix have already promised to "innovate and revolutionize the music genre" with Rock Band 3, but even in the face of that hyperbole, the designers believe "you'll be surprised at just how big this game really is."

Harmonix senior designer Dan Teasdale schooled GDC attendees today on the design philosophies that factored into the creation of Rock Band. That includes the critical "one question," a rule that even affected the game's name.